Too many output arguments. Requested 3 output(s), but only 1 output(s) available.

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Sahithi Kandhukuri 2024-1-7

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2067191-too-many-output-arguments-requested-3-output-s-but-only-1-output-s-available

评论： Sahithi Kandhukuri 2024-1-8

function cost_value=cost_func(k,plotfig)
ke=k(1,1);
kce=k(1,2);
ku=k(1,3);
X=k(1,4);
z_a=abs(k(1,5));
v_a=abs(k(1,6));
% negative big
NB=-X;
% negative medium
NM=-X/2;
% positive medium
PM=X/2;
% positive big
PB=X;
Z=0;
% Compute function value
opt = simset('solver','ode23tb','SrcWorkspace','Current');
[tout,xout,yout] = sim('ACO_TS.slx',[0 0.5],opt);
% compute the fitness value
z1=sqrt(mean(rmse)); % rms error
z2=(mean(iae)); % integral absolute error
z3=(mean(itae)); % integral time multiplied absolute error
z4=(mean(ise));
cost_value=z1+z2+z3+z4+mean(thd1);

Error using cost_func

Too many output arguments. Requested 3 output(s), but only 1 output(s) available.

Error in ACO (line 58)

cost(A)=cost_func(tour_selected_param,0); - Show complete stack trace

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Sahithi Kandhukuri 2024-1-7

No the issue is not yet resolved. I am unable to find optimal gain values.

Sam Chak 2024-1-7

Hi @Sahithi Kandhukuri

Can you count the number of output(s) available in your Simulink model? Perhaps you requested these three outputs (in individual vectored data form) from the Simulink model in the cost_func() function, but it's possible that you consolidated all the data into a single simulation output object named 'out', as pointed out by @Walter Roberson.

If you are unfamiliar with the object-oriented programming (the dot notation stuff), then better configure the Simulink model to log the requested data as tout, xout, yout, rmse (incorrect!), ise, iae, and itae.

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采纳的回答

madhan ravi 2024-1-7

1
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2067191-too-many-output-arguments-requested-3-output-s-but-only-1-output-s-available#answer_1384786

You expect three outputs to be returned from sim() whereas only one output can be returned from sim() command

https://in.mathworks.com/help/simulink/slref/sim.html#bvfe92n-3

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madhan ravi 2024-1-8

Sorry my goal was to clear all the errors as stated in your original question. Regarding the correctness of your question , it"s better you post a new question.

Sahithi Kandhukuri 2024-1-8